/// Copyright (c) 2019 Razeware LLC
///
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Notwithstanding the foregoing, you may not use, copy, modify, merge, publish,
/// distribute, sublicense, create a derivative work, and/or sell copies of the
/// Software in any work that is designed, intended, or marketed for pedagogical or
/// instructional purposes related to programming, coding, application development,
/// or information technology.  Permission for such use, copying, modification,
/// merger, publication, distribution, sublicensing, creation of derivative works,
/// or sale is expressly withheld.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// THE SOFTWARE.

import XCTest
@testable import Login
import UIHelpers

class LoginViewControllerTests: XCTestCase {

  var sut: LoginViewController!
  var api: MockLoginAPI!

  override func setUp() {
    super.setUp()
    sut = LoginViewController.make()
    api = MockLoginAPI()

    sut.api = api
    sut.loadViewIfNeeded()
  }

  override func tearDown() {
    sut = nil
    api = nil
    super.tearDown()
  }

  func givenGoodLogin() {
    sut.emailField.text = "agent@shield.org"
    sut.passwordField.text = "hailHydra"
  }

  func whenSignIn() {
    sut.signIn(sut.signInButton!)
  }

  func testSignIn_withGoodCredentials_callsLogin() {
    // given
    givenGoodLogin()

    // when
    whenSignIn()

    // then
    XCTAssertTrue(api.loginCalled)
  }

  func testSignIn_withInvalidEmail_doesNotCallLogin() {
    // given
    sut.emailField.text = "pizza" //bad
    sut.passwordField.text = "hailHydra" //good

    // when
    whenSignIn()

    // then
    XCTAssertFalse(api.loginCalled)
  }

  func testSignIn_withInvalidPassowerd_doesNotCallLogin() {
    // given
    sut.emailField.text = "agend@shield.org" //good
    sut.passwordField.text = "1" //bad

    // when
    whenSignIn()

    // then
    XCTAssertFalse(api.loginCalled)
  }
}
